CN105721177A - Network teaching and conference system based on intelligent routing - Google Patents
Network teaching and conference system based on intelligent routing Download PDFInfo
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- CN105721177A CN105721177A CN201610121238.9A CN201610121238A CN105721177A CN 105721177 A CN105721177 A CN 105721177A CN 201610121238 A CN201610121238 A CN 201610121238A CN 105721177 A CN105721177 A CN 105721177A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/07—Target detection
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a network teaching and conference system based on intelligent routing. The network teaching and conference system based on the intelligent routing comprises a real-time teaching module, an interaction module and a material file sharing module. The network teaching and conference system based on the intelligent routing has more security and confidentiality; in exchange of information, by using the system, a wide area network is not required to be connected, which costs less; the system is compact and lightweight and of low hardware requirement; since the system is installed on a router, thus the router can be carried around, and exchange of information can be carried out anytime and anywhere, which is convenient and efficient; the system is constructed on intelligent routing, so that free exchange of personnel within the coverage area of the router can be achieved, and exchange between students and teachers can be strengthened; the system is constructed on the intelligent routing, so that real-time demonstration of classroom teaching can be realized; besides, students can get information of a teacher's lecture screen in real time through a mobile phone or a computer, which facilitates teachers' teaching and improves the quality of teaching.
Description
Technical field
The invention belongs to route technology field, particularly relate to a kind of Web-based instruction based on Intelligent routing and conference system.
Background technology
Along with pole route, Semen setariae route, shell route, and the product such as 360wifi comes out successively, and a time router market big fire, the market analysis for router and the discussion around router future development are just rising one after another and can be heard without end.Intelligent router development prospect is wide, becomes a focus currently on the market.Intelligent routing just rose at these 2 years, and the application being directed to Intelligent routing exploitation lacks, and the application being developed for Intelligent routing can be described as the blank having filled up on market.Intelligent routing is the developing direction of following router, and developing intellectual resource route application is also a direction of software development, will occupy a tiny space in following software market.
The effect that in life, router plays at present is be provided solely for shared network mostly, extra service can not be provided a user with, in the communication for information carrying out little bound local area net, often to exchange software by third party, utilize LAN to carry out file transmission troublesome and heavy.
Summary of the invention
It is an object of the invention to provide a kind of Web-based instruction based on Intelligent routing and conference system, aim to solve the problem that the effect that in life at present, router plays is be provided solely for shared network mostly, extra service can not be provided a user with, in the communication for information carrying out little bound local area net, often to exchange software by third party, utilize LAN to carry out the problem that file transmission is troublesome and heavy.
The present invention is achieved in that a kind of Web-based instruction based on Intelligent routing and conference method, and the described Web-based instruction based on Intelligent routing and conference method include:
Obtaining speaker's screen message in real time and be pushed to terminal use, speaker utilizes gesture to control the projection of lantern slide, and terminal use takes notes in systems according to real-time multimedia information and preserves management；
Terminal use for speaker and all accesses builds the exchange session one to one or between colony；
Terminal use for speaker and all accesses builds file access and the bridge shared.
User is connected by wireless network, carries out data transmission, and obtains the information of speaker's computer screen in real time；
User is directed to the information of the screen of the speaker of acquisition in real time and carries out, and real-time takes notes, and notes are preserved, and is managed；
Speaker controls the projection of lantern slide by the gesture of oneself.
Farther include:
The chatting object of user is all of user in LAN, and the information that user is sent out, in LAN, all of user is visible；
User and the good friend of oneself carry out man-to-man chat, and the information that user is sent out is only visible to specific chatting object, and other people are invisible.
Farther include:
Oneself is wanted the file uploaded by user, by the connection of wireless network, is transferred on the server of router by file；
User, in the extent of competence of oneself, checks file, selects the file oneself wanting to download, by wireless network transmissions, downloads from a server this locality；
The authority of the upper transmitting file of user setup oneself, wants the file shared to be set to share by oneself, and in the scope of wireless network, user can check, download.
Further, described gesture controls slideshow and includes:
Starting photographic head, system connects webcam driver program, it is thus achieved that equipment interface environment；
Obtain a frame still image at interval of 30 milliseconds by the interface of photographic head, and this image sequence is stored in a dynamic static frames sequence；
Real time image collection obtains an image sequence, adopts and uses the time difference based on pixel and the moving region extracting in image by thresholding between frame-to-frame differences method 3 consecutive frames in this sequence, thus carrying out moving object detection；
For deflection flex point corresponding in moving target recognition image sequence as characteristic vector, to the prearranged gesture HMM model set good by Baulm-Welch Algorithm for Training, adopt the Forward-backward algorithm of HMM that dynamic gesture is identified；
The gesture identified corresponds to concrete action command, is converted to the message for concrete application and is sent in the message queue of operating system, it is achieved operation.
Further, described frame-to-frame differences method specifically includes:
Sequence image is carried out 3 × 3 medium filtering pretreatment, removes image random noise；
From sequence of video images, select background image, only comprise fixing background image；
Sequence of video images is chosen continuous print two two field picture, wherein previous frame image, current frame image；
Calculate the poor of present frame and background frames, from image, extract complete target；
Calculate the poor of present frame and former frame, obtain the variable quantity of target；
Ask frame difference and common factor obtain the moving region image that moving target is coarse；
Mathematical morphological operation makes moving region close, continuously, complete, and remove the noise in background.
Another object of the present invention is to provide a kind of Web-based instruction based on Intelligent routing and conference system, the described Web-based instruction based on Intelligent routing and conference system include:
Real time education module, is pushed to terminal use for obtaining speaker's screen message in real time, and speaker utilizes gesture to control the projection of lantern slide, and terminal use takes notes in systems according to real-time multimedia information and preserves management；
Interaction module, builds the exchange session one to one or between colony for the terminal use for speaker and all accesses；
Information paper sharing module, for building file access and the bridge shared for the terminal use of speaker and all accesses.
Further, described real time education module also includes:
Obtaining screen unit in real time, user is connected by wireless network, carries out data transmission, and obtains the information of speaker's computer screen in real time；
Classroom notes unit, user is directed to the information of the screen of the speaker of acquisition in real time and carries out, and real-time takes notes, and notes are preserved, and is managed；
Gesture control unit, speaker controls the projection of lantern slide by the gesture of oneself.
Further, described interaction module also includes:
Colony's alternating current unit, the chatting object of user is all of user in LAN, and the information that user is sent out, in LAN, all of user is visible；
Personal communication's unit, user and the good friend of oneself carry out man-to-man chat, and the information that user is sent out is only visible to specific chatting object, and other people are invisible.
Further, described information paper sharing module also includes:
Files passe unit, oneself is wanted the file uploaded by user, by the connection of wireless network, is transferred on the server of router by file；
File download unit, user, in the extent of competence of oneself, checks file, selects the file oneself wanting to download, by wireless network transmissions, downloads from a server this locality；
File sharing unit, the authority of the upper transmitting file of user setup oneself, oneself want the file shared be set to share, in the scope of wireless network, user can check, download；
Further, the described Web-based instruction based on Intelligent routing and conference system also include:
Web foreground: for word, sound, image information are presented；
Web server: use Lighttpd, is arranged in Intelligent routing；
PresentationServer, is arranged on the main frame of demonstrator, obtains to obtain the real time screen picture of demonstrator, and sets up WebSocket with spectators and be connected, it is achieved the transmission of real time screen picture.
The Web-based instruction based on Intelligent routing provided by the invention and conference system, in communication for information (classroom instruction, enterprise's meeting, and project team member discuss), utilize this system not need connecting wan, have more safety and confidentiality；In communication for information, this system is utilized to spend less by connecting wan；System small volume and less weight, hardware requirement is low, install on the router, it is possible to carry with, it is achieved communication for information anywhere or anytime, convenient and swift；On Intelligent routing, build this system, it is achieved in router coverage, personnel's freely exchanges；Reinforcement student exchanges with teacher's；On Intelligent routing, build this system, it is achieved the real time demonstration of classroom instruction；Student can pass through mobile phone or computer and obtain teacher in real time and teach the information of screen, facilitates teacher to impart knowledge to students, improves the quality of teaching.The present invention realizes replacing traditional projector projection with this system.Cut down expenses for school and improve the quality of instruction of school；Utilize this system can well solve the communication for information activity of group on a small scale.Present invention achieves communication for information, on Intelligent routing, build this system, it is achieved in router coverage, personnel's freely exchanges；Reinforcement student exchanges with teacher's, and aided education is improved the quality of teaching；On Intelligent routing, build this system, it is achieved the real time demonstration of classroom instruction；Student can pass through mobile phone or computer and obtain teacher in real time and teach the information of screen, facilitates teacher to impart knowledge to students, improves the quality of teaching.Present invention achieves file and resources sharing, on Intelligent routing, build this system, it is achieved the transmission of file is with shared.Teacher can by material upload to router, and classmate can be carried out downloading.Classmate can also upload operation, consults for teacher.Present invention achieves Based Intelligent Control, on Intelligent routing, build this system and optimize this system, it is achieved gesture Based Intelligent Control.Lectuer can pass through the projection of gesture Based Intelligent Control PPT, facilitates lectuer better to demonstrate.The system of the present invention is widely used, it is also possible to expand, and is applied to enterprise's exchange and exchanges with government, it is achieved market sale, brings honor and interests for institute and school.
Accompanying drawing explanation
Fig. 1 is the Web-based instruction based on Intelligent routing and the conference system structural representation of embodiment of the present invention offer；
In figure: 1, real time education module；1-1, real time screen acquiring unit；1-2, classroom notes unit；1-3, gesture control unit；2, interaction module；2-1, colony's alternating current unit；2-2, personal communication's unit；3, information paper sharing module；3-1, files passe unit；3-2, file download unit；3-3, file sharing unit.
Fig. 2 is the gesture control unit flowchart that the embodiment of the present invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with accompanying drawing, the application principle of the present invention is explained in detail.
As it is shown in figure 1, the Web-based instruction based on Intelligent routing of the embodiment of the present invention and conference system specifically include that real time education module 1, interaction module 2, information paper sharing module 3.
Real time education module 1, obtains speaker's screen message in real time and is pushed to terminal use, and speaker utilizes gesture to control the projection of lantern slide, and terminal use takes notes in systems according to real-time multimedia information and preserves management；
Interaction module 2, the terminal use for speaker and all accesses builds the exchange session one to one or between colony；
Information paper sharing module 3, the terminal use for speaker and all accesses builds file access and the bridge shared.
Real time education module 1 also includes:
Obtaining screen unit 1-1 in real time, user is connected by wireless network, carries out data transmission, and obtains the information of speaker's computer screen in real time.
Classroom notes unit 1-2, user is directed to the information of the screen of the speaker of acquisition in real time and carries out, and real-time takes notes, and notes are preserved, and is managed.
Gesture control unit 1-3, the featured function of this system, speaker can control the projection of lantern slide by the gesture of oneself, facilitates speaker's control to PPT.
The process that gesture control unit 1-3 is detailed is as in figure 2 it is shown, specifically include:
Starting photographic head, system connects webcam driver program, it is thus achieved that equipment interface environment；
Obtain a frame still image at interval of 30 milliseconds by the interface of photographic head, and this image sequence is stored in a dynamic static frames sequence；
Real time image collection obtains an image sequence, adopts and uses the time difference based on pixel and the moving region extracting in image by thresholding between frame-to-frame differences method 3 consecutive frames in this sequence, thus carrying out moving object detection；
For deflection flex point corresponding in moving target recognition image sequence as characteristic vector, to the prearranged gesture HMM model set good by Baulm-Welch Algorithm for Training, adopt the Forward-backward algorithm of HMM that dynamic gesture is identified；
Described frame-to-frame differences method specifically includes:
Sequence image is carried out 3 × 3 medium filtering pretreatment, removes image random noise；After reducing, the complexity of computing, overcomes the interference of noise on image result；
Background image is selected so that it is only comprise fixing background image from sequence of video images；
Sequence of video images is chosen continuous print two two field picture, wherein previous frame image, current frame image；
Calculate the poor of present frame and background frames, from image, extract complete target；
Calculate the poor of present frame and former frame, obtain the variable quantity of target；
Ask frame difference and common factor obtain the moving region image that moving target is coarse；
Mathematical morphological operation makes moving region close, continuously, complete, and remove the noise in background.
The gesture identified corresponds to concrete action command, is converted to the message for concrete application and is sent in the message queue of operating system, it is achieved operation.
Interaction module 2 also includes: colony alternating current unit 2-1, personal communication unit 2-2.
Colony alternating current unit 2-1, the chatting object of user is all of user in LAN, and the information that user is sent out, in LAN, all of user is visible.
Personal communication unit 2-2, user can carry out man-to-man chat with the good friend of oneself, and the information that user is sent out is only visible to specific chatting object, and other people are invisible.
Information paper sharing module 3 also includes: files passe unit 3-1, file download unit 3-2, file sharing unit 3-3.
Files passe unit 3-1, oneself can be wanted the file uploaded by user, by the connection of wireless network, is transferred on the server of router by file.
File download unit 3-2, user in the extent of competence of oneself, can check file, selects the file oneself wanting to download, by wireless network transmissions, downloads from a server this locality.
File sharing unit 3-3, user can arrange the authority of oneself upper transmitting file, and oneself wants the file shared be set to share, and in the scope of wireless network, user can check, download.
The Web-based instruction based on Intelligent routing of the embodiment of the present invention and conference system also include 3 parts: Web foreground, Web server and PresentationServer client.
Web foreground: be mainly used in the information such as word, sound, image are presented.
Based on the function that HTML5 is powerful, exempt to install, easy care, easy to use.
Web foreground only presents for content, is not the core of this system.
Web server: use Lighttpd, is arranged in Intelligent routing, comprises a web application in system, and the most information in system are safeguarded by it.
PresentationServer, is arranged on the main frame of demonstrator, and PresentationServer can obtain to obtain the real time screen picture of demonstrator, and sets up WebSocket with spectators and be connected, it is achieved the transmission of real time screen picture.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (10)
1. the Web-based instruction based on Intelligent routing and conference method, it is characterised in that the described Web-based instruction based on Intelligent routing and conference method include:
Obtaining speaker's screen message in real time and be pushed to terminal use, speaker utilizes gesture to control the projection of lantern slide, and terminal use takes notes in systems according to real-time multimedia information and preserves management；
Terminal use for speaker and all accesses builds the exchange session one to one or between colony；
Terminal use for speaker and all accesses builds file access and the bridge shared.
2. the Web-based instruction based on Intelligent routing as claimed in claim 1 and conference method, it is characterised in that farther include:
User is connected by wireless network, carries out data transmission, and obtains the information of speaker's computer screen in real time；
User is directed to the information of the screen of the speaker of acquisition in real time and carries out, and real-time takes notes, and notes are preserved, and is managed；
Speaker controls the projection of lantern slide by the gesture of oneself.
3. the Web-based instruction based on Intelligent routing as claimed in claim 1 and conference method, it is characterised in that farther include:
The chatting object of user is all of user in LAN, and the information that user is sent out, in LAN, all of user is visible；
User and the good friend of oneself carry out man-to-man chat, and the information that user is sent out is only visible to specific chatting object, and other people are invisible.
4. the Web-based instruction based on Intelligent routing as claimed in claim 1 and conference method, it is characterised in that farther include:
Oneself is wanted the file uploaded by user, by the connection of wireless network, is transferred on the server of router by file；
User, in the extent of competence of oneself, checks file, selects the file oneself wanting to download, by wireless network transmissions, downloads from a server this locality；
The authority of the upper transmitting file of user setup oneself, wants the file shared to be set to share by oneself, and in the scope of wireless network, user can check, download.
5. the Web-based instruction based on Intelligent routing as claimed in claim 1 and conference method, it is characterised in that described gesture controls slideshow and includes:
Starting photographic head, system connects webcam driver program, it is thus achieved that equipment interface environment；
Obtain a frame still image at interval of 30 milliseconds by the interface of photographic head, and this image sequence is stored in a dynamic static frames sequence；
Real time image collection obtains an image sequence, adopts and uses the time difference based on pixel and the moving region extracting in image by thresholding between frame-to-frame differences method 2 consecutive frames in this sequence, thus carrying out moving object detection；
For deflection flex point corresponding in moving target recognition image sequence as characteristic vector, to the prearranged gesture HMM model set good by Baulm-Welch Algorithm for Training, adopt the Forward-backward algorithm of HMM that dynamic gesture is identified；
The gesture identified corresponds to concrete action command, is converted to the message for concrete application and is sent in the message queue of operating system, it is achieved operation.
6. the Web-based instruction based on Intelligent routing as claimed in claim 5 and conference method, it is characterised in that described frame-to-frame differences method specifically includes:
Sequence image is carried out 3 × 3 medium filtering pretreatment, removes image random noise；
From sequence of video images, select background image, only comprise fixing background image；
Sequence of video images is chosen continuous print two two field picture, wherein previous frame image, current frame image；
Calculate the poor of present frame and background frames, from image, extract complete target；
Calculate the poor of present frame and former frame, obtain the variable quantity of target；
Ask frame difference and common factor obtain the moving region image that moving target is coarse；
Mathematical morphological operation makes moving region close, continuously, complete, and remove the noise in background.
7. the Web-based instruction based on Intelligent routing and conference system, it is characterised in that the described Web-based instruction based on Intelligent routing and conference system include:
Real time education module, is pushed to terminal use for obtaining speaker's screen message in real time, and speaker utilizes gesture to control the projection of lantern slide, and terminal use takes notes in systems according to real-time multimedia information and preserves management；
Interaction module, builds the exchange session one to one or between colony for the terminal use for speaker and all accesses；
Information paper sharing module, for building file access and the bridge shared for the terminal use of speaker and all accesses.
8. the Web-based instruction based on Intelligent routing as claimed in claim 7 and conference system, it is characterised in that described real time education module also includes:
Obtaining screen unit in real time, user is connected by wireless network, carries out data transmission, and obtains the information of speaker's computer screen in real time；
Classroom notes unit, user is directed to the information of the screen of the speaker of acquisition in real time and carries out, and real-time takes notes, and notes are preserved, and is managed；
Gesture control unit, speaker controls the projection of lantern slide by the gesture of oneself.
9. the Web-based instruction based on Intelligent routing as claimed in claim 7 and conference system, it is characterised in that described interaction module also includes:
Colony's alternating current unit, the chatting object of user is all of user in LAN, and the information that user is sent out, in LAN, all of user is visible；
Personal communication's unit, user and the good friend of oneself carry out man-to-man chat, and the information that user is sent out is only visible to specific chatting object, and other people are invisible.
10. the Web-based instruction based on Intelligent routing as claimed in claim 7 and conference system, it is characterised in that described information paper sharing module also includes:
Files passe unit, oneself is wanted the file uploaded by user, by the connection of wireless network, is transferred on the server of router by file；
File download unit, user, in the extent of competence of oneself, checks file, selects the file oneself wanting to download, by wireless network transmissions, downloads from a server this locality；
File sharing unit, the authority of the upper transmitting file of user setup oneself, oneself want the file shared be set to share, in the scope of wireless network, user can check, download；
The described Web-based instruction based on Intelligent routing and conference system also include:
Web foreground: for word, sound, image information are presented；
Web server: use Lighttpd, is arranged in Intelligent routing；
PresentationServer, is arranged on the main frame of demonstrator, obtains to obtain the real time screen picture of demonstrator, and sets up WebSocket with spectators and be connected, it is achieved the transmission of real time screen picture.
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| CN107978199A (en) * | 2017-12-06 | 2018-05-01 | 李�昊 | A kind of Teaching Monitoring system inquired about automatically based on group information and its Work attendance method |
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| CN105721177B (en) | 2019-02-26 |
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